coming up, new information inside the home of the sandy hook shooter. a live report, next. and senator john mccain goes "on the record" about the benghazi report. ♪ ♪ [ engine revs ] ♪ [ male announcer ] oh what fun it is to ride. get the mercedes-benz on your wish list at the winter event going on now through december 31st. [ santa ] ho, ho, ho! [ male announcer ] lease a 2013 e350 for $579 a month at your local mercedes-benz dealer. >> greta: new information about the murder of the man who fund and down 20 children and 6 adults in sandy hook elementary school. what's the latest today? >> reporter: according to the "new york post," adam lanza spent hours alone, every day in his basement, in a windowless, playing violent games, with posters of military weapons on the walls. when he did emermg from the basement, he was described as sullen and silent. the new york daily news reports that his mother, nancy, had grown increasingly frustrated with her son's isolation, trying and failing to get him to leave the room and interact with others, perhaps go to school or get a jo